28256738523752 has 16 divisors (see below), whose sum is σ = 55769878665600. Its totient is φ = 13384770879600.

The previous prime is 28256738523737. The next prime is 28256738523773. The reversal of 28256738523752 is 25732583765282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92949797624 + ... + 92949797927.

It is an arithmetic number, because the mean of its divisors is an integer number (3485617416600).

Almost surely, 2^{28256738523752} is an apocalyptic number.

It is an amenable number.

28256738523752 is a deficient number, since it is larger than the sum of its proper divisors (27513140141848).

28256738523752 is a wasteful number, since it uses less digits than its factorization.

28256738523752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185899595576 (or 185899595572 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 65.

The spelling of 28256738523752 in words is "twenty-eight trillion, two hundred fifty-six billion, seven hundred thirty-eight million, five hundred twenty-three thousand, seven hundred fifty-two".